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TransMedics Group, Inc.

TMDX
Exchange
Nasdaq
Industry
Electromedical & Electrotherapeutic Apparatus
SEC CIK
0001756262

In the last 90 days, TransMedics Group, Inc. insiders filed 1 open-market purchase and 0 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $2.31B in total; no superinvestor holds it.

13F holders, Q2 2023

Institutional positions in TransMedics Group, Inc. as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
240
+17 vs. Q1 2023
Shares held
32.5M
+2.64M (+8.8%) vs. Q1 2023
Total value
$2.73B
+$468.4M (+20.7%) vs. Q1 2023
New holders
45
107 more added
Sold out
28
62 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TMDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2023: 240 institutions
Q1 2021: 107 institutionsQ2 2021: 124 institutionsQ3 2021: 120 institutionsQ4 2021: 121 institutionsQ1 2022: 110 institutionsQ2 2022: 135 institutionsQ3 2022: 178 institutionsQ4 2022: 200 institutionsQ1 2023: 225 institutionsQ2 2023: 240 institutionsQ3 2023: 222 institutionsQ4 2023: 249 institutionsQ1 2024: 262 institutionsQ2 2024: 340 institutionsQ3 2024: 374 institutionsQ4 2024: 315 institutionsQ1 2025: 298 institutionsQ2 2025: 368 institutionsQ3 2025: 388 institutionsQ4 2025: 429 institutionsQ1 2026: 416 institutionsQ2 2026: 375 institutions
Value heldQ2 2023: $2.73B
Q1 2021: $773.0MQ2 2021: $623.5MQ3 2021: $636.5MQ4 2021: $384.7MQ1 2022: $561.4MQ2 2022: $719.7MQ3 2022: $1.18BQ4 2022: $1.79BQ1 2023: $2.26BQ2 2023: $2.73BQ3 2023: $1.91BQ4 2023: $2.76BQ1 2024: $2.52BQ2 2024: $5.09BQ3 2024: $5.74BQ4 2024: $2.30BQ1 2025: $2.63BQ2 2025: $4.93BQ3 2025: $4.17BQ4 2025: $4.53BQ1 2026: $3.63BQ2 2026: $2.31B
Institutions holding TMDX and their total value by quarter
QuarterHoldersValue
Q2 2026375$2.31B
Q1 2026416$3.63B
Q4 2025429$4.53B
Q3 2025388$4.17B
Q2 2025368$4.93B
Q1 2025298$2.63B
Q4 2024315$2.30B
Q3 2024374$5.74B
Q2 2024340$5.09B
Q1 2024262$2.52B
Q4 2023249$2.76B
Q3 2023222$1.91B
Q2 2023240$2.73B
Q1 2023225$2.26B
Q4 2022200$1.79B
Q3 2022178$1.18B
Q2 2022135$719.7M
Q1 2022110$561.4M
Q4 2021121$384.7M
Q3 2021120$636.5M
Q2 2021124$623.5M
Q1 2021107$773.0M

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q1 2023.

Institutions holding TMDX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd3$00.00%00.0%Unchanged
Bell Investment Advisors, Inc12$1.01K0.00%00.0%Unchanged
Elequin Capital LP16$1.34K0.00%+16New
IFP Advisors, Inc67$1.50K0.00%+67New
Allworth Financial LP21$1.76K0.00%00.0%Unchanged
Impact Partnership Wealth, LLC24$2.02K0.00%+24New
Venturi Wealth Management, LLC30$2.52K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC32$3.00K0.00%00.0%Unchanged
Hillsdale Investment Management Inc.40$3.36K0.00%+40New
HighMark Wealth Management LLC40$3.36K0.00%+40New
Foster Dykema Cabot & Co Inc54$5.00K0.00%+54New
Truvestments Capital LLC90$7.56K0.00%00.0%Unchanged
City State Bank100$8.00K0.00%00.0%Unchanged
North Star Investment Management Corp.101$8.48K0.00%−149−59.6%Reduced
Private Trust Co NA113$9.49K0.00%+56+98.2%Added
Hanseatic Management Services Inc119$10.0K0.02%00.0%Unchanged
National Bank of Canada150$12.6K0.00%00.0%Unchanged
Clearstead Advisors, LLC150$12.6K0.00%00.0%Unchanged
CWM, LLC159$13.0K0.00%−10−5.9%Reduced
Parallel Advisors, LLC160$13.4K0.00%−19−10.6%Reduced
Quadrant Capital Group LLC181$15.2K0.00%+33+22.3%Added
Contravisory Investment Management, Inc.212$17.8K0.00%+212New
Signaturefd, LLC229$19.2K0.00%+5+2.2%Added
Harbor Capital Advisors, Inc.230$19.3K0.00%+230New
Umb Bank N A253$21.2K0.00%+253New
Oliver Lagore Vanvalin Investment Group264$22.2K0.01%+159+151.4%Added
Newbridge Financial Services Group, Inc.300$25.2K0.01%00.0%Unchanged
Lindbrook Capital, LLC331$27.8K0.00%−8−2.4%Reduced
Huntington National Bank355$29.8K0.00%+355New
Oakworth Capital, Inc.412$34.6K0.00%00.0%Unchanged
STRS Ohio500$41.0K0.00%−2,100−80.8%Reduced
Ancora Advisors, LLC500$42.0K0.00%00.0%Unchanged
Adirondack Trust Co460$42.9K0.02%00.0%Unchanged
Lazard Asset Management LLC530$44.0K0.00%00.0%Unchanged
MCF Advisors LLC549$46.1K0.00%−62−10.1%Reduced
Central Trust Co550$46.2K0.00%00.0%Unchanged
Rise Advisors, LLC579$48.6K0.04%00.0%Unchanged
The PNC Financial Services Group, Inc.598$50.2K0.00%+512+595.3%Added
West Tower Group, LLC682$57.3K0.04%+682New
Walleye Trading LLC755$63.4K0.00%+426+129.5%Added
Point72 Asset Management, L.P.834$70.1K0.00%−266−24.2%Reduced
Tower Research Capital LLC (TRC)882$74.1K0.00%+289+48.7%Added
Harbor Investment Advisory, LLC1,018$85.5K0.01%−148−12.7%Reduced
First Horizon Advisors, Inc.1,032$86.7K0.00%+488+89.7%Added
Van Eck Associates Corp1,530$128.0K0.00%+1,530New
GWM Advisors LLC1,619$136.0K0.00%−10,029−86.1%Reduced
Metropolitan Life Insurance Co1,733$145.5K0.01%+97+5.9%Added
Delphia (USA) Inc.2,394$201.0K0.32%+2,394New
Koshinski Asset Management, Inc.2,400$201.6K0.02%+2,400New
Cim Investment Mangement Inc2,516$211.3K0.07%+2,516New
Ameritas Investment Partners, Inc.2,620$220.0K0.01%+228+9.5%Added
Prudential Financial Inc2,658$223.2K0.00%−14,510−84.5%Reduced
Bailard, Inc.2,700$226.7K0.01%+2,700New
UBS Group AG3,050$256.1K0.00%−11,286−78.7%Reduced
Creative Planning3,070$257.8K0.00%+3,070New
Silver Oak Securities, Inc3,257$274.0K0.04%+3,257New
NinePointTwo Capital3,393$284.0K0.11%+3,393New
Glenmede Trust Co NA3,867$292.8K0.00%00.0%Unchanged
Lagoda Investment Management, L.P.3,592$301.7K0.21%+1,792+99.6%Added
First Republic Investment Management, Inc.3,660$307.4K0.00%−1,590−30.3%Reduced
Schonfeld Strategic Advisors LLC3,974$333.7K0.00%−18,764−82.5%Reduced
Moran Wealth Management, LLC3,981$334.3K0.01%+11+0.3%Added
Virtu Financial LLC4,126$346.0K0.03%+556+15.6%Added
Pictet Asset Management SA4,146$348.2K0.00%00.0%Unchanged
Jennison Associates LLC4,236$355.7K0.00%−52−1.2%Reduced
ProShare Advisors LLC4,249$356.8K0.00%+658+18.3%Added
Public Employees Retirement Association of Colorado4,319$363.0K0.00%00.0%Unchanged
Corton Capital Inc.4,644$390.0K0.18%+4,644New
Financial Perspectives, Inc4,709$395.5K0.17%00.0%Unchanged
Amalgamated Bank4,777$401.0K0.00%+481+11.2%Added
Arcadia Investment Management Corp4,778$401.3K0.08%−149−3.0%Reduced
Alberta Investment Management Corp4,834$406.0K0.00%+4,834New
Handelsbanken Fonder AB5,000$420.0K0.00%+1,700+51.5%Added
Summit Global Investments5,022$422.0K0.03%+5,022New
Wealthcare Advisory Partners LLC5,144$432.0K0.02%+25+0.5%Added
Henshaw Capital LLC5,176$434.7K0.02%−737−12.5%Reduced
Campbell & CO Investment Adviser LLC5,538$465.1K0.08%+5,538New
Truist Financial Corp5,588$469.3K0.00%−799−12.5%Reduced
US Bancorp5,653$474.7K0.00%−458−7.5%Reduced
Raymond James & Associates5,821$488.8K0.00%−14,457−71.3%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)6,150$516.5K0.00%+1,239+25.2%Added
M&T Bank Corp6,255$525.3K0.00%+875+16.3%Added
Pitcairn Co6,612$555.3K0.05%+6,612New
Petra Financial Advisors Inc6,622$556.1K0.50%+6,622New
Courier Capital LLC6,655$558.9K0.04%00.0%Unchanged
Diametric Capital, LP6,759$567.6K0.25%+6,759New
Harbour Capital Advisors, LLC7,041$581.7K0.17%−100−1.4%Reduced
Advisory Services Network, LLC7,029$590.3K0.02%−597−7.8%Reduced
Rockefeller Capital Management L.P.8,533$602.7K0.00%+4,764+126.4%Added
Bayesian Capital Management, LP7,235$607.6K0.07%−2,800−27.9%Reduced
Cetera Investment Advisers7,350$617.3K0.01%+196+2.7%Added
AQR Capital Management LLC7,449$625.6K0.00%+882+13.4%Added
State of Wisconsin Investment Board7,772$652.7K0.00%+3,951+103.4%Added
Harel Insurance Investments & Financial Services Ltd.7,800$660.0K0.02%+7,800New
Acadian Asset Management LLC7,871$661.0K0.00%+3,994+103.0%Added
Montanaro Asset Management Ltd8,000$671.8K0.11%−250−3.0%Reduced
HighTower Advisors, LLC8,170$686.0K0.00%+2,453+42.9%Added
Los Angeles Capital Management LLC8,360$702.1K0.00%+8,360New
Occudo Quantitative Strategies LP8,494$713.3K0.07%−1,763−17.2%Reduced
Abn Amro Investment Solutions8,549$717.9K0.01%+2,996+54.0%Added